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spin [16.1K]
3 years ago
9

What is the value of x?

Mathematics
1 answer:
Dafna1 [17]3 years ago
5 0

Answer:

3x = 12x - 81(vertically opposite angles)

→3x - 12x =  - 81

→- 9x =  - 81

→x =  \frac{ - 81}{ - 9}

→x =  \frac{81}{9}

→x = 9

hope it helped you:)

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